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3 years ago

I know this is the math section, but does anyone here take psychology?? if you do i really need some help please..

1 answer:

6 0

<span>1. Even though the Greeks did not rely on a systematic study, what method did they use to begin to know the world? <u>Observation</u>.
They would observe the world around them and base their conclusions based on such observations.
2. What is dualism? <u>The view that the physical and mental are separate and distinct. </u>Dualism is about splitting a whole into two parts - a human is made of body and mind, which is the idea that dualism proposes.</span>

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Which of the following expressions could give the total amount of a $45 restaurant bill with a 15% tip added on?

Sergio [31]

6.75 is the answer.........

8 0

4 years ago

I need help i’m failing math!!!

adell [148]

Answer:

$\huge\boxed{\bf\:2\sqrt{5} \:\: units }$

Step-by-step explanation:

We have a figure given in the shape of a square with a diagonal (x) passing from one edge to another. We need to find the measure of its diagonal if the side of the square is $\sqrt{10}$ units.

We know that, a square has all equal sides. Then, all the sides of the square will be equal to $\sqrt{10}$ units.

Now, let's find the diagonal.

To find the diagonal of a sqaure from one of its sides, we need to know the formula ⟶ Diagonal = side $\bf\:\sqrt{2}$ .

By using this formula,

$Diagonal (x)\\= side *\sqrt{2} \\= \sqrt{10} *\sqrt{2}\\ = \sqrt{5*2*2} \\= \boxed{\bf\:2\sqrt{5} \:units}$

→ The diagonal of the square = 2√5 units.

$\rule{150pt}{2pt}$

5 0

3 years ago

Decrease £843 by 91% rounded to 2 DP

34kurt

Answer:

Percent (%)' means 'out of one hundred':

p% = p 'out of one hundred',

p% is read p 'percent',

p% = p/100 = p ÷ 100.

91% = 91/100 = 91 ÷ 100 = 0.91.

100% = 100/100 = 100 ÷ 100 = 1.

Decrease number by 91% of its value.

Percentage decrease = 91% × 843

New value = 843 - Percentage decrease

Calculate the New Value

New value =

843 - Percentage decrease =

843 - (91% × 843) =

843 - 91% × 843 =

(1 - 91%) × 843 =

(100% - 91%) × 843 =

9% × 843 =

9 ÷ 100 × 843 =

9 × 843 ÷ 100 =

7,587 ÷ 100 =

75.87

Calculate absolute change (actual difference)

Absolute change (actual difference) =

New value - 843 =

75.87 - 843 =

- 767.13

Proof.

Calculate percentage decrease:

Percentage decrease =

91% × 843 =

91 ÷ 100 × 843 =

91 × 843 ÷ 100 =

76,713 ÷ 100 =

767.13

Step-by-step explanation:

Hope it is helpful....

6 0

3 years ago

2/3x-3/2=1<img src="https://tex.z-dn.net/?f=2%2F3x-3%2F2%3D1" id="TexFormula1" title="2/3x-3/2=1" alt="2/3x-3/2=1" align="absmid

Usimov [2.4K]

Answer:

X=15/4

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

the sum of 3 numbers is 9. tge second number is 3 less than the first.the thirf number is four morethan twice the first. find ea

borishaifa [10]

<h3><u>The value of the first number, x, is eual to 2.</u></h3><h3><u>The value of the second number, y, is equal to -1.</u></h3><h3><u>The value of the third number, z, is equal to 8.</u></h3>

x + y + z = 9

y = x - 3

z = 2x + 4

Because we have values for y and z, we can find the exact value of x, which we can use to find the exact values for the other variables.

x + x - 3 + 2x + 4 = 9

<em><u>Combine like terms.</u></em>

4x + 1 = 9

<em><u>Subtract 1 from both sides.</u></em>

4x = 8

<em><u>Divide both sides by 4.</u></em>

x = 2

Now that we have a value for x, we can plug this value in to each other x value to solve for y and z.

y = 2 - 3

y = -1

z = 2(2) + 4

z = 8

7 0

4 years ago

Read 2 more answers